Preparation method for covalent triazine framework compound and MoS2 compound hydrogen evolution catalyst and application of hydrogen evolution catalyst

A framework compound and triazine technology, applied in the field of catalyst preparation, can solve the problems of high price, lack of platinum resources, and poor development of platinum catalysts, and achieve low cost, abundant pores, accelerated mass transfer and charge transfer. Effect

Inactive Publication Date: 2019-08-13
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, platinum as a catalyst is the catalyst with the best catalytic effect in the hydrogen production process, because metal Pt has the best H + Adsorption and desorption capacity, but because platinum is scarce and expensive in nature, platinum as a catalyst has not been well developed in industrial production

Method used

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  • Preparation method for covalent triazine framework compound and MoS2 compound hydrogen evolution catalyst and application of hydrogen evolution catalyst
  • Preparation method for covalent triazine framework compound and MoS2 compound hydrogen evolution catalyst and application of hydrogen evolution catalyst
  • Preparation method for covalent triazine framework compound and MoS2 compound hydrogen evolution catalyst and application of hydrogen evolution catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1 Covalent Triazine Skeleton Compound and MoS 2 Preparation method of composite hydrogen evolution catalyst

[0031] In this implementation, proceed in the following order of steps:

[0032] (1) The preparation of the covalent triazine skeleton compound comprises the following steps carried out in sequence:

[0033] A1) Add anhydrous zinc chloride and terephthalonitrile into the container and mix them into a heat-resistant glass tube, then use a vacuum pump to remove oxygen, keep it for 8 minutes, use a vacuum pump to remove air, and use an alcohol blowtorch to remove the oxygen. Sealed heat-resistant glass tube.

[0034] A2) Put the sealed heat-resistant glass tube into a tube furnace, heat it at room temperature to 400° C. at a constant speed, keep it for 40 hours, then cool to room temperature, open the container, and obtain mixture A.

[0035] A3) Mixture A was ground into powder, washed 5 times with deionized water, then added with 0.1 mol / L dilute hydro...

Embodiment 2～8

[0040] Examples 2-8 Covalent triazine skeleton compound and MoS 2 Preparation method of composite hydrogen evolution catalyst

[0041] Examples 2-8 are respectively a covalent triazine skeleton compound and MoS 2 The preparation method of the composite hydrogen evolution catalyst, the preparation method is the same as the preparation method of Example 1, the difference is that the reaction conditions involved in each step, the substances used and the consumption are different, see Table 1 for details

[0042] Table 1

[0043]

Embodiment 9

[0044] Example 9 Covalent Triazine Skeleton Compound and MoS2 Application of hydrogen evolution catalyst

[0045] This embodiment provides a method using any one of the covalent triazine skeleton compounds in Examples 1 to 8 and MoS 2 Covalent triazine skeleton compound and MoS prepared by the preparation method of composite hydrogen evolution catalyst 2 The application of the composite hydrogen evolution catalyst, which is used as a catalyst in the industrial electrocatalytic hydrogen evolution reaction to prepare hydrogen.

[0046] The covalent triazine skeleton compound obtained in Examples 1-8 and MoS 2 MoS in Composite Hydrogen Evolution Catalyst 2 : The mass ratio of the covalent triazine skeleton compound A is 1:1. When it is applied to the electrocatalytic hydrogen evolution reaction, the linear scanning curve of the performance is as follows figure 2 As shown in the curve a of , at the same time, this example also obtained MoS by changing the amount of ammonium mo...

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Abstract

The invention discloses a preparation method for a covalent triazine framework compound and MoS2 compound hydrogen evolution catalyst and application of the hydrogen evolution catalyst. According to the covalent triazine framework compound and MoS2 compound hydrogen evolution catalyst, anhydrous zinc chloride and terephthalonitrile are taken as raw materials, a covalent triazine framework compoundis obtained, then covalent triazine framework compound powder, ammonium carbonate and thiourea react, and finally, the covalent triazine framework compound and auxiliary MoS2 compound hydrogen evolution catalyst is obtained. The preparation method is simple in operation, convenient, low in cost and capable of being widely applied to an industrial electro-catalysis hydrogen evolution reaction andprovides convenience for large-scale preparation.

Description

technical field [0001] The invention belongs to the field of catalyst preparation, and relates to a preparation method of a hydrogen evolution catalyst, specifically, a covalent triazine skeleton compound and MoS 2 A preparation method of a composite hydrogen evolution catalyst and an application of the hydrogen evolution catalyst. Background technique [0002] In response to the global energy and environmental crisis, the development of renewable energy and technology has become a trend. As a clean energy with no pollution, abundant reserves and high utilization rate, hydrogen energy is considered to be an ideal substitute for fossil energy in the future. [0003] In the current industrial production, electrolysis of water technology is an important way to produce hydrogen on a large scale, but commercial hydrogen production by electrolysis of water requires efficient catalysts to reduce energy consumption, so as to ensure a large cathodic current density at a low overpote...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/34B01J35/10C25B1/04C25B11/06
CPCB01J31/34B01J35/0033B01J35/1004C25B1/04C25B11/095Y02E60/36
Inventor 乔山林张博颖王文博赵佳李峥李青李小云苏玉金白若男
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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